Iran Resumes Missile Production in Underground Sites

Iran Resumes Missile Production in Underground Sites

An Iranian ballistic missile in a hedcut engraving.
Iran assembles ballistic missiles from stockpiled components in underground facilities.Illustration: The Frank

The News

Iran has resumed assembling ballistic missiles from stockpiled components inside underground facilities, U.S. and Middle East officials told the Wall Street Journal in an exclusive report published Thursday.

Output is running at more limited quantities than before the war, the officials said.

Reuters, the Jerusalem Post and The Right Scoop all picked up the WSJ findings within hours.

What the Intelligence Says

Both liquid- and solid-propellant missiles are being assembled, according to the officials cited in the report. Intelligence points to activity at Khojir, an Iranian missile facility, and Tehran is also building new underground assembly points to make the work harder to strike.

A naval blockade has complicated Iran's imports of parts and solid-fuel ingredients, which is why the country is working through components it already had rather than building from new supply.

Timeline

Feb. 28, 2026

The United States and Israel launch the war against Iran, with dismantling Tehran's missile program among the stated goals.

Sept. 10, 2026

The Wall Street Journal publishes its exclusive reporting that Iran is producing ballistic missiles again from stockpiled components in underground facilities.

Sept. 10, 2026

Reuters, the Jerusalem Post and The Right Scoop report the findings, with The Right Scoop noting the rebuilding is complicated by the blockade and Iran's inability to acquire new parts.

Reactions

U.S. officials dispute how much the resumed production matters. The Pentagon says it destroyed up to 90% of Iran's missile and drone industrial base.

Tal Inbar of the Missile Defense Advocacy Alliance said Iran will keep rebuilding unless its facilities are struck continuously.

The office of Israel's prime minister did not respond to a request for comment on the report.

What's Next

The open questions are how fast Iran can scale beyond the current limited output, whether the U.S. or Israel will strike the newly identified underground assembly sites, and which suppliers are still moving components past the blockade.

Even at reduced scale, continued Iranian production prolongs a war of attrition against allied interceptor stockpiles.

More

The Jerusalem Post stressed the scale point directly: the missiles are being assembled in more limited quantities than before the war. That is the core tension in the report — Iran is producing again, but not at the rate it once did.

Poll

Should the U.S. strike Iran's newly identified underground missile sites?

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No — leave it to Israel
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